Patents by Inventor Ann-Charlotte Wannius

Ann-Charlotte Wannius has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D307973
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: May 22, 1990
    Assignee: Larstrade Intl. AB
    Inventor: Ann-Charlotte Wannius